.online_courses_container {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #f7f7f7;
  padding: 50px 0;
}

.music_section,
.instrument_section {
  width: 80%;
  margin-bottom: 50px;
  text-align: center;
}

.music_content {
  //background-image: url('src/assets/image/5.jpg'); /* 添加音乐背景图 */
  background-size: cover;
  background-position: center;
  padding: 100px;
  border-radius: 10px;
  box-shadow: 0px 0px 30px rgba(0, 0, 0, 0.2);
}

.section_title {
  font-size: 36px;
  color: #333;
  margin-bottom: 20px;
}

.instrument_cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.course_card {
  width: 300px;
  margin: 20px;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
}

.course_card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.course_card_content {
  padding: 20px;
}

.course_card_title {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
}

.course_card_instructor {
  font-size: 14px;
  color: #555;
  margin-bottom: 10px;
}

.course_card_description {
  font-size: 14px;
  color: #777;
}

.course_card_button {
  display: block;
  width: 100%;
  padding: 10px 0;
  background: #f90;
  color: #fff;
  text-align: center;
  font-size: 16px;
  font-weight: bold;
  text-decoration: none;
  border: none;
  border-radius: 4px;
  margin-top: 20px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.course_card_button:hover {
  background: #ff6600;
}

